{"entity":{"iso2":"SK","iso3":"SVK","name":"Slovakia","slug":"slovak-republic"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"pisa-male-15-year-olds-by-mathematics-proficiency-level-percent-level-4","source":"OECD Programme for International Student Assessment (PISA)","source_url":"https://data.worldbank.org/indicator/LO.PISA.MAT.4.MA","title":"PISA: Male 15-year-olds by mathematics proficiency level (%). Level 4","unit":null},"observations":[{"date":"2003-01-01","value":20.04},{"date":"2006-01-01","value":19.6166},{"date":"2009-01-01","value":17.4376},{"date":"2012-01-01","value":15.405},{"date":"2015-01-01","value":16.7158},{"date":"2018-01-01","value":18.223}],"summary":{"latest_period":"2018-01-01","latest_value":18.223,"max":20.04,"mean":17.9063,"min":15.405,"of":53,"rank":30,"trend":"falling"}}